| Tourlaville to Obernburg am Main | 478.47 mi (770.02 km) |
| Tourlaville to Obernkirchen | 499.08 mi (803.19 km) |
| Tourlaville to Oberschleissheim | 603.42 mi (971.10 km) |
| Tourlaville to Oberstdorf | 563.41 mi (906.73 km) |
| Tourlaville to Obertraubling | 620.17 mi (998.06 km) |
| Tourlaville to Obertshausen | 464.39 mi (747.36 km) |
| Tourlaville to Oberursel | 453.09 mi (729.17 km) |
| Tourlaville to Ochsenfurt | 520.49 mi (837.65 km) |
| Tourlaville to Ochsenhausen | 534.53 mi (860.25 km) |
| Tourlaville to Ochtrup | 420.68 mi (677.01 km) |
| Tourlaville to Odenthal | 395.10 mi (635.86 km) |
| Tourlaville to Oelde | 451.17 mi (726.08 km) |
| Tourlaville to Oelsnitz | 611.58 mi (984.24 km) |
| Tourlaville to Oer-Erkenschwick | 410.54 mi (660.71 km) |
| Tourlaville to Oerlinghausen | 474.87 mi (764.23 km) |
